February 1981 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

22 himlahändelser totalt, inklusive 4 månfaser och 2 planetära händelser.

Dagliga himlahändelser

Alla tider är i lokal tid (Asia/Shanghai)

Group Datum Soluppgång/Solnedgång Månuppgång/Månnedgång Månfas Himmelshändelser

Planetary outlook

February 1981 mid-month observing conditions

Mercury

Good
Skenbar magnitud: 3.9
Stjärnbild: Pisces
Angular diameter: 10.1"
Status: near superior conjunction

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascension: 22h08m37s
Deklination: -07°41'09"

Venus

Excellent
Skenbar magnitud: -3.9
Stjärnbild: Aquarius
Angular diameter: 10.1"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Venus is the brightest planet and is best seen at dusk or dawn

Rektascension: 21h04m46s
Deklination: -17°41'45"

Mars

Excellent
Skenbar magnitud: 1.1
Stjärnbild: Pisces
Angular diameter: 4.0"
Status: near western quadrature

Observation tip: Visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Rektascension: 22h33m59s
Deklination: -10°06'07"

Jupiter

Excellent
Skenbar magnitud: -2.3
Stjärnbild: Libra
Angular diameter: 42.1"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its moons are easy to spot and it is excellent for telescope observing

Rektascension: 12h37m56s
Deklination: -02°27'11"

Saturn

Excellent
Skenbar magnitud: 0.6
Stjärnbild: Libra
Angular diameter: 18.9"
Status: near eastern quadrature

Observation tip: Visible to the naked eye; Saturn’s rings require a telescope to see clearly

Rektascension: 12h37m35s
Deklination: -01°16'02"

Uranus

Fair
Skenbar magnitud: 5.6
Stjärnbild: Scorpius
Angular diameter: 3.7"
Status: near eastern quadrature

Observation tip: Binoculars are recommended; Binoculars or a telescope are recommended

Rektascension: 15h51m19s
Deklination: -19°55'22"

Neptune

Fair
Skenbar magnitud: 7.9
Stjärnbild: Sagittarius
Angular diameter: 2.2"
Status: near eastern quadrature

Observation tip: A telescope is required; A telescope is required; Neptune appears blue-green

Rektascension: 17h35m53s
Deklination: -22°00'35"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Cancer
Angular diameter: 12299.5"
Status: Moon illumination 83.4%

Observation tip: Moon illumination 83.4%; good for observing lunar surface detail

Rektascension: 06h34m35s
Deklination: +20°20'15"